Seiko Cal. 6644 - 234

The 6644-234 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6644 caliber with 22j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-18cf9af30bd7]

Also known as: Monster, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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